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Title: | Constraints on the Near-Distance Saturation of Ground-Motion Amplitudes for Small-to-Moderate Induced Earthquakes |
Authors: | Atkinson, Gail M. Yenier, Emrah Sharma, Nitin Convertito, Vincenzo |
Keywords: | Earthquake Seismicity hazard Ground motion |
Issue Date: | 2016 |
Citation: | Bulletin of the Seismological Society of America, 106, 5, doi: 10.1785/0120160075 |
Abstract: | The accurate modeling of ground motion for induced-seismicity hazard estimation is critically dependent on how amplitudes scale with distance near the hypocenter. A rich database of ground motions from small events recorded at close distances in the Geysers region of California has been used to constrain the near-distance saturation effects that control the maximum observed ground motions and intensities for shallow-induced events. The results of this study support the modeling of these effects using an equivalent point-source concept, in which the effective source depth increases from a value near 1 km at moment magnitude (M) of 2 to a value near 3 km at M 4. This near-distance saturation behavior can be applied to the development of ground-motion models for induced seismicity in any region. |
URI: | http://localhost:8080/xmlui/handle/123456789/1075 |
Appears in Collections: | SEG_Reprints |
Files in This Item:
File | Description | Size | Format | |
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BSSA, 106, 5, 2016.pdf Restricted Access | Reprints | 515.09 kB | Adobe PDF | View/Open Request a copy |
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